The Water Thermal Expansion Tank outer shell shall be carbon steel. The diaphragm shall be FDA approved butyl rubber and, the water chamber shall be polypropylene lined to preclude water contact with the shell interior. The assembly shall have a NPT Stainless steel system connection and a 0.301”-32 charging valve connection (standard tire valve) to facilitate the on-site charging of the tank to meet system requirements. The tank shall be IAPMO® listed and certified to NSF/ANSI/CAN 61 & NSF/ ANSI 372. The Water Thermal Expansion Tank shall be a ZURN WILKINS Model XT.
Compliance:
Features:
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